f37381ea8a
Removes synchronization from sending packets
Makes normal packet sends no longer need to be wrapped and queued like it use to work.
Adds more packet queue immunities on top of keep alive to let the following scenarios go out
without delay:
- Keep Alive
- Chat
- Kick
- All of the packets during the Player Joined World event
Hoping that latter one helps join timeout issues more too for slow connections.
Removes processing packet queue off of main thread
- for the few cases where it is allowed, order is not necessary nor
should it even be happening concurrently in first place (handshaking/login/status)
Ensures packets sent asynchronously are dispatched on main thread
This helps ensure safety for ProtocolLib as packet listeners
are commonly accessing world state. This will allow you to schedule
a packet to be sent async, but itll be dispatched sync for packet
listeners to process.
This should solve some deadlock risks
This may provide a decent performance improvement because thread synchronization incurs a cache reset
so by avoiding ever entering a synchronized block, we get to avoid that, and packet sending is a really
hot activity.
33 lines
1.7 KiB
Diff
33 lines
1.7 KiB
Diff
From 46307cc2e05cfdd0f870bef095db58e521aff169 Mon Sep 17 00:00:00 2001
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From: AJMFactsheets <AJMFactsheets@gmail.com>
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Date: Wed, 22 Jan 2020 19:52:28 -0600
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Subject: [PATCH] Fix items vanishing through end portal
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If the Paper configuration option "keep-spawn-loaded" is set to false,
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items entering the overworld from the end will spawn at Y = 0.
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This is due to logic in the getHighestBlockYAt method in World.java
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only searching the heightmap if the chunk is loaded.
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Quickly loading the exact world spawn chunk before searching the
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heightmap resolves the issue without having to load all spawn chunks.
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 067420f1955..599bcabd14a 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -2611,6 +2611,11 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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if (blockposition == null) { // CraftBukkit
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if (dimensionmanager1.getType() == DimensionManager.THE_END && dimensionmanager == DimensionManager.OVERWORLD) { // CraftBukkit
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+ // Paper start - Ensure spawn chunk is always loaded before calculating Y coordinate
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+ if (!worldserver1.isLoaded(worldserver1.getSpawn())) {
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+ worldserver1.getChunkAtWorldCoords(worldserver1.getSpawn());
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+ }
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+ // Paper end
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// CraftBukkit start
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EntityPortalEvent event = CraftEventFactory.callEntityPortalEvent(this, worldserver1, worldserver1.getHighestBlockYAt(HeightMap.Type.MOTION_BLOCKING_NO_LEAVES, worldserver1.getSpawn()), 0);
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if (event == null) {
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--
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2.26.2
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